Adds a read memory to stdout command to the data_writer dw.
Parameters:
dw (data_writer) – data_writer to add the command to
variables (dict[Net, tuple[int, int, str]]) – A dict for looking up variables by Net. The value is a tuple.
of relative address in memory, size in bytes and data type.
net (Net) – Variable specified by Net to read from memory and write to stdout.